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(The Silent Genius) is a character on MBAV spin off.....he was friended with Cameron and mike!...However!...he has yet to appear on series!..the only info about him is the fact that he can't talk but just talks in rare time!!!

B was a useful member of Radioactive rats because he's A genius but can't talk to anyone!...He could possibly be eliminated in Merge because of his problem talking!

It's really unknown if B is standing for something or not.